Bump tensorflow from 2.2.0rc2 to 2.7.2 in /python#9

dependabot[bot] wants to merge 1 commit intomasterJBris/time_series_anomaly_detection_examples:masterfrom

dependabot/pip/python/tensorflow-2.7.2JBris/time_series_anomaly_detection_examples:dependabot/pip/python/tensorflow-2.7.2Copy head branch name to clipboard